Solicitação de exame técnico
#4.1
06/06/1989
RPI 972
Application data
Number
PI8502324Type
Filing
Publication
The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 06/06/1989. We update with every new RPI gazette, published weekly.
Applicants
Cooperativa Central dos Produtores de Açúcar e Álcool do Estado de São Paulo.
Cooperativa de Produtores de Cana, Açúcar e Álcool do Estado de São Paulo Ltda. - COPERSUC
SP, BR
Inventors
J. P. (pessoa física)
BR
O. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/06/1989
RPI 972
02/14/1989
RPI 956
02/08/1989
RPI 955
#15.11
03/17/1987
RPI 856
#3.1
12/23/1986
RPI 844
#2.1
07/23/1985
RPI 770
#21.1
Patente extinta em 14/05/2000
07/15/2008
RPI 1958
12/06/1994
RPI 1253
#16.1
05/28/1991
RPI 1069
#13.1
01/29/1991
RPI 1052
#9.1
10/16/1990
RPI 1037
#4.2
04/17/1990
RPI 1014
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